Date: Sun, 21 Mar 2004 11:56:32 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Lewis Thompson <lewiz@fajita.org>, Evan Sayer <esayer1@san.rr.com>, freebsd-questions@freeBSD.org Subject: Re: Vinum Message-ID: <20040321012632.GI52612@wantadilla.lemis.com> In-Reply-To: <20040320220009.GC87971@lewiz.org> References: <E372ADA1-7AB4-11D8-A71E-000A95CCF8C4@san.rr.com> <20040320220009.GC87971@lewiz.org>
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--+Z7/5fzWRHDJ0o7Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Saturday, 20 March 2004 at 22:00:09 +0000, Lewis Thompson wrote: > Hi, > > I might be lying to you with my answers. I'm hoping Greg Lehey or some > other Vinum hacker will point anything I get wrong out though :) Heh. You could have waited for me to wake up :-) > On Sat, Mar 20, 2004 at 01:23:53PM -0800, Evan Sayer wrote: >> I have a question about how vinum effects access to file systems. When >> i have a vinum volume on a drive which contains the file system /usr, >> which is being mirrored to another volume on another drive, are the >> contents of /usr encompassed in the volume (like a partition) or is > > /usr is generally partition e on the slice (at least it is on my > machine). This means you can set up two Vinum drives using, for > example, ad0s1e. Well, no, that's the /usr slice. Is that what you meant to say? > That way you will be able to mount either disk. I think you may have misunderstood the question. I think that Evan is misunderstanding how Vinum works, and he wants to overlay an existing /usr slice under Vinum. There's a description of how to do that at http://www.vinumvm.org/cfbsd/vinum.pdf. >> If i do this will i be able to access all the files on the first >> hard drive as though it was just a regular partition. Well, you can't access files on a partition. You access files from a file system, whether it's on a partition, a Vinum volume or elsewhere (vnode device, for example). That's the purpose of mount. Once you have mounted your file system, it doesn't make much difference where it's stored. Greg -- Note: I discard all HTML mail unseen. Finger grog@FreeBSD.org for PGP public key. See complete headers for address and phone numbers. --+Z7/5fzWRHDJ0o7Q Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFAXO9IIubykFB6QiMRAkiQAJ9Gztf7LWd1mg122ydq8ccJr1tn+QCffh3h +M30Y1Okn8p3KSbfOEzk1h8= =C+0p -----END PGP SIGNATURE----- --+Z7/5fzWRHDJ0o7Q--
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